Snitch
来自Big Physics
late 17th century: of unknown origin.
wiktionary
Origin uncertain. Perhaps an alteration of snatch, or a dialectal variant of sneak, from Middle English sniken, from Old English snīcan(“to creep; crawl”). More at sneak.
etymonline
snitch (n.)
"informer," 1785, probably from underworld slang meaning "the nose" (1700), which apparently developed from an earlier meaning "fillip on the nose" (1670s). Snitcher in same sense is from 1827.
snitch (v.)
1803, "to inform," from snitch (n.). Meaning "to steal, pilfer" is attested from 1904, perhaps a variant of snatch (v.). Related: Snitched; snitching.
